# Simplifying Complex Equations In MatLab® With ‘simplify()’ Command

Matlab® provides very useful commands to manage mathematical expressions rapidly. Otherwise, you need to make hand calculations to manage or simplify the equations.

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For simplifying operations, you can use the ‘simplify()’ command in Matlab® easily. Here we will show you how to use the ‘simplify()’ command in Matlab® with a basic example that is executed in the command window.

## How To Use ‘simplify()’ Command In MatLab®?

```
>> syms a
y = (2*a^3+4*a^2+10*a+20)/(a^2+5);
simplify(y)
ans =
2*a + 4
>>
```

As you see above, we created a symbolic variable with the syms command and we created our equation with this variable. Our equation is quite complex. Normally, we need to make simplifications and factorizations to obtain a more simple form of this equation.

So, if you type this equation inside the ‘simplify()’ command, you will be given the more simple form as you see the above example as an answer.

## Conclusion

As you see in the example above, the ‘simplify()’ command in Matlab® can be very useful.

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